<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>简易安装vue.js</title>
    <script src="../js/lib/vue.min.js"></script>
    <script src="http://unpkg.com/element-ui@2.0.5/lib/index.js"></script>
    <link rel="stylesheet" href="http://unpkg.com/element-ui@2.0.5/lib/theme-chalk/index.css" />
    <style>
        .el-menu-vertical-demo:not(.el-menu--collapse) {
            width: 200px;
            min-height: 400px;
        }

        .iconfont {
            font-size: 24px;
        }
    </style>
</head>
<body>
<div id="app">
    <div>
    <!--<el-radio-group v-model="isCollapse" style="margin-bottom: 20px;">-->
        <!--<el-radio-button :label="false">展开</el-radio-button>-->
        <!--<el-radio-button :label="true">收起</el-radio-button>-->
    <!--</el-radio-group>-->
        <div>
            <i class="iconfont el-icon-d-arrow-left" v-show="!isCollapse" @click="changeCollapse"></i>
            <i class="iconfont el-icon-d-arrow-right" v-show="isCollapse" @click="changeCollapse"></i>
        </div>
    <el-menu default-active="1-4-1" class="el-menu-vertical-demo" @open="handleOpen"
             @close="handleClose" :collapse="isCollapse">
        <el-submenu index="1">
            <template slot="title">
                <i class="el-icon-location"></i>
                <span slot="title">导航一</span>
            </template>
            <el-menu-item-group>
                <span slot="title">分组一</span>
                <el-menu-item index="1-1">选项1</el-menu-item>
                <el-menu-item index="1-2">选项2</el-menu-item>
            </el-menu-item-group>
            <el-menu-item-group title="分组2">
                <el-menu-item index="1-3">选项3</el-menu-item>
            </el-menu-item-group>
            <el-submenu index="1-4">
                <span slot="title">选项4</span>
                <el-menu-item index="1-4-1">选项1</el-menu-item>
            </el-submenu>
        </el-submenu>
        <el-menu-item index="2">
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
        </el-menu-item>
        <el-menu-item index="3">
            <i class="el-icon-setting"></i>
            <span slot="title">导航三</span>
        </el-menu-item>
    </el-menu>
    </div>
</div>
<script>
    var Main = {
        data () {
            return {
                isCollapse: true,
            };
        },
        methods: {
            handleOpen (key, keyPath) {
                console.log(key, keyPath);
            },
            handleClose (key, keyPath) {
                console.log(key, keyPath);
            },
            changeCollapse(){
                this.isCollapse=!this.isCollapse;
            }
        }
    }
    var Ctor = Vue.extend(Main)
    new Ctor().$mount('#app')
</script>

</body>
</html>